#include <net/if.h>
-#include "networkd-netdev.h"
-#include "networkd-link.h"
-#include "network-internal.h"
-#include "path-util.h"
#include "conf-files.h"
#include "conf-parser.h"
+#include "fd-util.h"
#include "list.h"
+#include "netlink-util.h"
+#include "network-internal.h"
+#include "networkd-netdev.h"
+#include "networkd.h"
#include "siphash24.h"
+#include "string-util.h"
const NetDevVTable * const netdev_vtable[_NETDEV_KIND_MAX] = {
+
[NETDEV_KIND_BRIDGE] = &bridge_vtable,
[NETDEV_KIND_BOND] = &bond_vtable,
[NETDEV_KIND_VLAN] = &vlan_vtable,
[NETDEV_KIND_MACVLAN] = &macvlan_vtable,
+ [NETDEV_KIND_MACVTAP] = &macvtap_vtable,
[NETDEV_KIND_IPVLAN] = &ipvlan_vtable,
[NETDEV_KIND_VXLAN] = &vxlan_vtable,
[NETDEV_KIND_IPIP] = &ipip_vtable,
[NETDEV_KIND_IP6GRETAP] = &ip6gretap_vtable,
[NETDEV_KIND_SIT] = &sit_vtable,
[NETDEV_KIND_VTI] = &vti_vtable,
+ [NETDEV_KIND_VTI6] = &vti6_vtable,
[NETDEV_KIND_VETH] = &veth_vtable,
[NETDEV_KIND_DUMMY] = &dummy_vtable,
[NETDEV_KIND_TUN] = &tun_vtable,
[NETDEV_KIND_BOND] = "bond",
[NETDEV_KIND_VLAN] = "vlan",
[NETDEV_KIND_MACVLAN] = "macvlan",
+ [NETDEV_KIND_MACVTAP] = "macvtap",
[NETDEV_KIND_IPVLAN] = "ipvlan",
[NETDEV_KIND_VXLAN] = "vxlan",
[NETDEV_KIND_IPIP] = "ipip",
[NETDEV_KIND_SIT] = "sit",
[NETDEV_KIND_VETH] = "veth",
[NETDEV_KIND_VTI] = "vti",
+ [NETDEV_KIND_VTI6] = "vti6",
[NETDEV_KIND_DUMMY] = "dummy",
[NETDEV_KIND_TUN] = "tun",
[NETDEV_KIND_TAP] = "tap",
DEFINE_CONFIG_PARSE_ENUM(config_parse_netdev_kind, netdev_kind, NetDevKind, "Failed to parse netdev kind");
static void netdev_cancel_callbacks(NetDev *netdev) {
- _cleanup_rtnl_message_unref_ sd_rtnl_message *m = NULL;
+ _cleanup_netlink_message_unref_ sd_netlink_message *m = NULL;
netdev_join_callback *callback;
if (!netdev)
assert(netdev->manager);
assert(netdev->manager->rtnl);
- callback->callback(netdev->manager->rtnl, m, link);
+ callback->callback(netdev->manager->rtnl, m, callback->link);
}
LIST_REMOVE(callbacks, netdev->callbacks, callback);
+ link_unref(callback->link);
free(callback);
}
}
static int netdev_enter_failed(NetDev *netdev) {
netdev->state = NETDEV_STATE_FAILED;
+ netdev_cancel_callbacks(netdev);
+
return 0;
}
-static int netdev_enslave_ready(NetDev *netdev, Link* link, sd_rtnl_message_handler_t callback) {
- _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL;
+static int netdev_enslave_ready(NetDev *netdev, Link* link, sd_netlink_message_handler_t callback) {
+ _cleanup_netlink_message_unref_ sd_netlink_message *req = NULL;
int r;
assert(netdev);
assert(link);
assert(callback);
- r = sd_rtnl_message_new_link(netdev->manager->rtnl, &req,
- RTM_SETLINK, link->ifindex);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not allocate RTM_SETLINK message: %s",
- strerror(-r));
- return r;
- }
+ r = sd_rtnl_message_new_link(netdev->manager->rtnl, &req, RTM_SETLINK, link->ifindex);
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not allocate RTM_SETLINK message: %m");
- r = sd_rtnl_message_append_u32(req, IFLA_MASTER, netdev->ifindex);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not append IFLA_MASTER attribute: %s",
- strerror(-r));
- return r;
- }
+ r = sd_netlink_message_append_u32(req, IFLA_MASTER, netdev->ifindex);
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not append IFLA_MASTER attribute: %m");
- r = sd_rtnl_call_async(netdev->manager->rtnl, req, callback, link, 0, NULL);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not send rtnetlink message: %s",
- strerror(-r));
- return r;
- }
+ r = sd_netlink_call_async(netdev->manager->rtnl, req, callback, link, 0, NULL);
+ if (r < 0)
+ return log_netdev_error(netdev, "Could not send rtnetlink message: %m");
link_ref(link);
- log_netdev_debug(netdev, "enslaving link '%s'", link->ifname);
+ log_netdev_debug(netdev, "Enslaving link '%s'", link->ifname);
return 0;
}
netdev->state = NETDEV_STATE_READY;
- log_info_netdev(netdev, "netdev ready");
+ log_netdev_info(netdev, "netdev ready");
LIST_FOREACH_SAFE(callbacks, callback, callback_next, netdev->callbacks) {
/* enslave the links that were attempted to be enslaved before the
free(callback);
}
+ if (NETDEV_VTABLE(netdev)->post_create)
+ NETDEV_VTABLE(netdev)->post_create(netdev, NULL, NULL);
+
return 0;
}
/* callback for netdev's created without a backing Link */
-static int netdev_create_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {
+static int netdev_create_handler(sd_netlink *rtnl, sd_netlink_message *m, void *userdata) {
_cleanup_netdev_unref_ NetDev *netdev = userdata;
int r;
assert(netdev->state != _NETDEV_STATE_INVALID);
- r = sd_rtnl_message_get_errno(m);
+ r = sd_netlink_message_get_errno(m);
if (r == -EEXIST)
- log_netdev_debug(netdev, "netdev exists, using existing");
+ log_netdev_info(netdev, "netdev exists, using existing without changing its parameters");
else if (r < 0) {
- log_warning_netdev(netdev, "netdev could not be created: %s", strerror(-r));
+ log_netdev_warning_errno(netdev, r, "netdev could not be created: %m");
netdev_drop(netdev);
return 1;
}
- log_netdev_debug(netdev, "created");
+ log_netdev_debug(netdev, "Created");
return 1;
}
-int netdev_enslave(NetDev *netdev, Link *link, sd_rtnl_message_handler_t callback) {
+int netdev_enslave(NetDev *netdev, Link *link, sd_netlink_message_handler_t callback) {
int r;
assert(netdev);
+ assert(netdev->manager);
+ assert(netdev->manager->rtnl);
assert(IN_SET(netdev->kind, NETDEV_KIND_BRIDGE, NETDEV_KIND_BOND));
if (netdev->state == NETDEV_STATE_READY) {
r = netdev_enslave_ready(netdev, link, callback);
if (r < 0)
return r;
+ } else if (IN_SET(netdev->state, NETDEV_STATE_LINGER, NETDEV_STATE_FAILED)) {
+ _cleanup_netlink_message_unref_ sd_netlink_message *m = NULL;
+
+ r = rtnl_message_new_synthetic_error(-ENODEV, 0, &m);
+ if (r >= 0)
+ callback(netdev->manager->rtnl, m, link);
} else {
/* the netdev is not yet read, save this request for when it is */
netdev_join_callback *cb;
LIST_PREPEND(callbacks, netdev->callbacks, cb);
- log_netdev_debug(netdev, "will enslave '%s', when reday",
- link->ifname);
+ log_netdev_debug(netdev, "Will enslave '%s', when ready", link->ifname);
}
return 0;
}
-int netdev_set_ifindex(NetDev *netdev, sd_rtnl_message *message) {
+int netdev_set_ifindex(NetDev *netdev, sd_netlink_message *message) {
uint16_t type;
const char *kind;
const char *received_kind;
assert(netdev);
assert(message);
- r = sd_rtnl_message_get_type(message, &type);
- if (r < 0) {
- log_netdev_error(netdev, "Could not get rtnl message type");
- return r;
- }
+ r = sd_netlink_message_get_type(message, &type);
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not get rtnl message type: %m");
if (type != RTM_NEWLINK) {
- log_netdev_error(netdev, "Can not set ifindex from unexpected rtnl message type");
+ log_netdev_error(netdev, "Cannot set ifindex from unexpected rtnl message type.");
return -EINVAL;
}
r = sd_rtnl_message_link_get_ifindex(message, &ifindex);
if (r < 0) {
- log_netdev_error(netdev, "Could not get ifindex: %s", strerror(-r));
+ log_netdev_error_errno(netdev, r, "Could not get ifindex: %m");
netdev_enter_failed(netdev);
return r;
} else if (ifindex <= 0) {
log_netdev_error(netdev, "Got invalid ifindex: %d", ifindex);
netdev_enter_failed(netdev);
- return r;
+ return -EINVAL;
}
if (netdev->ifindex > 0) {
return 0;
}
- r = sd_rtnl_message_read_string(message, IFLA_IFNAME, &received_name);
- if (r < 0) {
- log_netdev_error(netdev, "Could not get IFNAME");
- return r;
- }
+ r = sd_netlink_message_read_string(message, IFLA_IFNAME, &received_name);
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not get IFNAME: %m");
if (!streq(netdev->ifname, received_name)) {
- log_netdev_error(netdev, "Received newlink with wrong IFNAME %s",
- received_name);
+ log_netdev_error(netdev, "Received newlink with wrong IFNAME %s", received_name);
netdev_enter_failed(netdev);
return r;
}
- r = sd_rtnl_message_enter_container(message, IFLA_LINKINFO);
- if (r < 0) {
- log_netdev_error(netdev, "Could not get LINKINFO");
- return r;
- }
+ r = sd_netlink_message_enter_container(message, IFLA_LINKINFO);
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not get LINKINFO: %m");
- r = sd_rtnl_message_read_string(message, IFLA_INFO_KIND, &received_kind);
- if (r < 0) {
- log_netdev_error(netdev, "Could not get KIND");
- return r;
- }
+ r = sd_netlink_message_read_string(message, IFLA_INFO_KIND, &received_kind);
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not get KIND: %m");
- r = sd_rtnl_message_exit_container(message);
- if (r < 0) {
- log_netdev_error(netdev, "Could not exit container");
- return r;
- }
+ r = sd_netlink_message_exit_container(message);
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not exit container: %m");
if (netdev->kind == NETDEV_KIND_TAP)
/* the kernel does not distinguish between tun and tap */
}
static int netdev_create(NetDev *netdev, Link *link,
- sd_rtnl_message_handler_t callback) {
+ sd_netlink_message_handler_t callback) {
int r;
assert(netdev);
if (r < 0)
return r;
- log_netdev_debug(netdev, "created");
+ log_netdev_debug(netdev, "Created");
} else {
- _cleanup_rtnl_message_unref_ sd_rtnl_message *m = NULL;
+ _cleanup_netlink_message_unref_ sd_netlink_message *m = NULL;
r = sd_rtnl_message_new_link(netdev->manager->rtnl, &m, RTM_NEWLINK, 0);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not allocate RTM_NEWLINK message: %s",
- strerror(-r));
- return r;
- }
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not allocate RTM_NEWLINK message: %m");
- r = sd_rtnl_message_append_string(m, IFLA_IFNAME, netdev->ifname);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not append IFLA_IFNAME, attribute: %s",
- strerror(-r));
- return r;
- }
+ r = sd_netlink_message_append_string(m, IFLA_IFNAME, netdev->ifname);
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not append IFLA_IFNAME, attribute: %m");
if (netdev->mac) {
- r = sd_rtnl_message_append_ether_addr(m, IFLA_ADDRESS, netdev->mac);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not append IFLA_ADDRESS attribute: %s",
- strerror(-r));
- return r;
- }
+ r = sd_netlink_message_append_ether_addr(m, IFLA_ADDRESS, netdev->mac);
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not append IFLA_ADDRESS attribute: %m");
}
if (netdev->mtu) {
- r = sd_rtnl_message_append_u32(m, IFLA_MTU, netdev->mtu);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not append IFLA_MTU attribute: %s",
- strerror(-r));
- return r;
- }
+ r = sd_netlink_message_append_u32(m, IFLA_MTU, netdev->mtu);
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not append IFLA_MTU attribute: %m");
}
if (link) {
- r = sd_rtnl_message_append_u32(m, IFLA_LINK, link->ifindex);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not append IFLA_LINK attribute: %s",
- strerror(-r));
- return r;
- }
+ r = sd_netlink_message_append_u32(m, IFLA_LINK, link->ifindex);
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not append IFLA_LINK attribute: %m");
}
- r = sd_rtnl_message_open_container(m, IFLA_LINKINFO);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not append IFLA_LINKINFO attribute: %s",
- strerror(-r));
- return r;
- }
+ r = sd_netlink_message_open_container(m, IFLA_LINKINFO);
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not append IFLA_LINKINFO attribute: %m");
- r = sd_rtnl_message_open_container_union(m, IFLA_INFO_DATA,
- netdev_kind_to_string(netdev->kind));
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not append IFLA_INFO_DATA attribute: %s",
- strerror(-r));
- return r;
- }
+ r = sd_netlink_message_open_container_union(m, IFLA_INFO_DATA, netdev_kind_to_string(netdev->kind));
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not append IFLA_INFO_DATA attribute: %m");
if (NETDEV_VTABLE(netdev)->fill_message_create) {
r = NETDEV_VTABLE(netdev)->fill_message_create(netdev, link, m);
return r;
}
- r = sd_rtnl_message_close_container(m);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not append IFLA_LINKINFO attribute: %s",
- strerror(-r));
- return r;
- }
-
- r = sd_rtnl_message_close_container(m);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not append IFLA_LINKINFO attribute: %s",
- strerror(-r));
- return r;
- }
+ r = sd_netlink_message_close_container(m);
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not append IFLA_LINKINFO attribute: %m");
+ r = sd_netlink_message_close_container(m);
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not append IFLA_LINKINFO attribute: %m");
if (link) {
- r = sd_rtnl_call_async(netdev->manager->rtnl, m,
- callback, link, 0, NULL);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not send rtnetlink message: %s",
- strerror(-r));
- return r;
- }
+ r = sd_netlink_call_async(netdev->manager->rtnl, m, callback, link, 0, NULL);
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not send rtnetlink message: %m");
link_ref(link);
} else {
- r = sd_rtnl_call_async(netdev->manager->rtnl, m,
- netdev_create_handler, netdev, 0,
- NULL);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not send rtnetlink message: %s",
- strerror(-r));
- return r;
- }
+ r = sd_netlink_call_async(netdev->manager->rtnl, m, netdev_create_handler, netdev, 0, NULL);
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not send rtnetlink message: %m");
netdev_ref(netdev);
}
netdev->state = NETDEV_STATE_CREATING;
- log_netdev_debug(netdev, "creating");
+ log_netdev_debug(netdev, "Creating");
}
return 0;
}
/* the callback must be called, possibly after a timeout, as otherwise the Link will hang */
-int netdev_join(NetDev *netdev, Link *link, sd_rtnl_message_handler_t callback) {
+int netdev_join(NetDev *netdev, Link *link, sd_netlink_message_handler_t callback) {
int r;
assert(netdev);
if (!netdev->mac) {
r = netdev_get_mac(netdev->ifname, &netdev->mac);
- if (r < 0) {
- log_error("Failed to generate predictable MAC address for %s",
- netdev->ifname);
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to generate predictable MAC address for %s: %m", netdev->ifname);
}
r = hashmap_put(netdev->manager->netdevs, netdev->ifname, netdev);
}
int netdev_load(Manager *manager) {
+ _cleanup_strv_free_ char **files = NULL;
NetDev *netdev;
- char **files, **f;
+ char **f;
int r;
assert(manager);
return r;
}
- strv_free(files);
-
return 0;
}
projects / thirdparty / systemd.git / blobdiff